import numpy as np
import random
import time

# start_time = time.clock()
# list = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
# slice = random.sample(list, 0)  #从list中随机获取5个元素，作为一个片断返回
# print (slice)
# print(list)
#
# a = {}
# for i in range(5):
# 	a[i] = [1]
# b=[]
# for value in a.values():
# 	b = b+value
# print(b)

print(' '.join(['1', '2', '3']))
import scipy.stats as stats

def a():
	print('this is a')
	c(lambda a, b: a<b)

def b():
	print('this is b')
	c(lambda a,b: a>b)

def c(fn):
	print(fn(1,2))

a()